Leaderboard/Code Sandbox API
MCP ServerScored via MCP protocol probing: initialize handshake, tools/list conformance, and ping + tool invocation performance.

Code Sandbox API

Execute Python, JavaScript, SQL code in a sandbox. x402 micropayment.

54/100
Operational Score
Score Breakdown
Availability30/30
Conformance10/30
Performance14/40
Key Metrics
Uptime 30d
100.0%
P95 Latency
579.6ms
Conformance
Fail
Trend
Stable
What's Being Tested
Availability
HTTP health check to the service endpoint
Responded with HTTP 404 in 207ms
Conformance
MCP initialize handshake + tools/list
MCP initialize handshake failed
Performance
MCP ping + zero-arg tool invocation benchmarking
P95 latency: 579ms, task completion: 0%
Improvement Tips
  • -Fix MCP initialize handshake errors
Recent Probe Results
TimestampStatusLatencyConformance
Apr 14, 2026success207.6msPartial
Apr 14, 2026success254.6msPartial
Apr 14, 2026success213.4msPartial
Apr 14, 2026success447.3msPartial
Apr 14, 2026success202msPartial
Apr 14, 2026success579.6msPartial
Apr 14, 2026success228.1msPartial
Apr 14, 2026success356.4msPartial
Apr 14, 2026success222.6msPartial
Apr 14, 2026success526.8msPartial
Source Registries
mcp-registry
First Seen
Apr 13, 2026
Last Seen
Apr 13, 2026
Last Probed
Apr 14, 2026
Code Sandbox API — Chiark Agent Quality Index